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Equilibrium in 2D & Free Body Diagrams Video Lecture | Engineering Mechanics - Civil Engineering (CE)

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FAQs on Equilibrium in 2D & Free Body Diagrams Video Lecture - Engineering Mechanics - Civil Engineering (CE)

1. What is equilibrium in 2D?
Ans. Equilibrium in 2D refers to a state where an object is at rest or moving with a constant velocity and there is no net force or torque acting on it in any direction.
2. How can we determine if an object is in equilibrium in 2D?
Ans. To determine if an object is in equilibrium in 2D, we need to check if the sum of all the forces acting on the object in both the x and y directions is zero. Additionally, the sum of all the torques acting on the object must also be zero.
3. What is a free body diagram?
Ans. A free body diagram is a visual representation that shows all the forces acting on an object. It helps in analyzing and understanding the forces involved in a given situation and is commonly used in physics and engineering.
4. How do we create a free body diagram?
Ans. To create a free body diagram, we start by isolating the object of interest and representing it as a dot or a small sketch. Next, we identify and draw arrows to represent all the forces acting on the object, including the magnitude and direction of each force. The forces can be gravitational, normal, frictional, or any other force acting on the object.
5. Why are free body diagrams important in analyzing equilibrium in 2D?
Ans. Free body diagrams are crucial in analyzing equilibrium in 2D as they provide a clear visual representation of all the forces acting on an object. By accurately depicting the forces, their magnitudes, and directions, free body diagrams help in determining if an object is in equilibrium or if there is a net force or torque present. They also aid in solving problems and calculating unknown forces or accelerations.
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